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 Post subject: Re: Nitrification cycle
PostPosted: Jun 3rd, '14, 02:32 
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sugarbeard wrote:
If my ammonia levels are close to 0 - should I be feeding more to generate more growth...?


Depends on nitrites. If nitrites and ammonia are at 0 I would be feeding. In my case, ammonia was at 0 but nitrites were off the chart because the bacteria wasn't present yet to process to nitrates. Now that they are I can feed more and the system can process. I'm not looking for huge nitrate numbers. I want to make sure I have enough for the plants.


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 Post subject: Re: Nitrification cycle
PostPosted: Jun 3rd, '14, 05:14 
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These two articles may be of some interest to you regarding system cycling and the water chemistry of your systems:

http://greenmountainaquaponics.wordpres ... m-cycling/

http://greenmountainaquaponics.wordpres ... s-crucial/

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 4th, '14, 21:01 
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Thanks 1Eyed - links helpful!

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 4th, '14, 21:32 
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Is this true>??
Quote:
7.5 to 6.5 means that your water just became 10 times more acidic than it was at a pH of 7.5. A pH of 7.5 to 5.5 would mean you have increased in acidity by 100 times!


My goodness I never knew

Thanks Blue - the rest of article 2 was a real eye opener for a newbie like me

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 4th, '14, 22:08 
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Yes, very good explanatory articles, thanks 1ET.

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 4th, '14, 22:42 
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Glad I could help. Just one note on the pH. Most fish can really be acclimated to most pH levels, so don't let those numbers scare you... your primary concern at dialing in your pH closer to 7 is to help ensure optimal nutrient uptake by your plants. However, even with the plant side of things I have been very successful at getting decent growth rates out of some vegetables at a pH of 8.

Aquaponics can pretty much be as complicated or as basic as you want it to be...

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 5th, '14, 03:57 
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Great info :thumbright:

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 5th, '14, 06:49 
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Remember pH is logarithmic. Example is a change from 6.1 -> 7.1 is a factor of 100%, and change from 5.6 -> 7.1 is a factor of over 150%.

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 5th, '14, 07:02 
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Charlie wrote:
Remember pH is logarithmic. Example is a change from 6.1 -> 7.1 is a factor of 100%, and change from 5.6 -> 7.1 is a factor of over 150%.



Correct me if I am wrong.

pH from 6 to 7 would be 10X (1000%) stronger, not just 1X (100%) stronger.


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 Post subject: Re: Nitrification cycle
PostPosted: Jun 5th, '14, 07:18 
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I know now... I'm totally freaked out.

No wonder there's all this talk about eating more alkaline foods.

Cup of orange juice and a coffee and I'm 100% more acidic - explains the mood swings :wink:

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 5th, '14, 07:23 
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jayendra wrote:
Cup of orange juice and a coffee and I'm 100% more acidic - explains the mood swings :wink:


:lol: Don't go to far back the other way or you'll turn into a sourpuss


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 Post subject: Re: Nitrification cycle
PostPosted: Jun 5th, '14, 07:42 
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6 - 7 would be 100 times stronger. The link is incorrect.

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 Post subject: Re: Nitrification cycle
PostPosted: Jun 5th, '14, 17:18 
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jayendra wrote:
I know now... I'm totally freaked out.

No wonder there's all this talk about eating more alkaline foods.

Cup of orange juice and a coffee and I'm 100% more acidic - explains the mood swings :wink:



Just don't try to eat a couple of handfuls of lime to sort out your mood swings Jay, just a tablespoon at a time...
:D

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